| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 17.3 km |
| Coordinates | 37.191, 137.913 |
| UTC time | 1983-10-16 10:39:12.140 |
Earthquake details
Sunday, October 16, 1983 Earthquake
The earthquake hit Japan on Sunday, October 16, 1983 at 10:39 UTC with a magnitude of 5.1. The closest known location in the current dataset is Itoigawa (Japan - JP), about 18.4 km away. The epicenter is located at longitude 137.913 and latitude 37.191.
| Location | Itoigawa |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1983-10-16
Closest countries
The 12 closest cities near the epicenter.
| Itoigawa | 18.4 km |
| Jōetsu | 29.1 km |
| Myoko | 35.6 km |
| Kurobe-shi | 52.3 km |
| Kashiwazaki | 59.7 km |
| Uozu | 63.0 km |
| Nakano | 63.5 km |
| Nagano | 64.9 km |
| Namerikawa | 68.6 km |
| Suzaka | 70.1 km |
| Chikuma | 75.6 km |
| Tōkamachi | 76.0 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.9
Chikuma
Japan · 2026-04-18 05:54 UTC
|
72.5 km |
|
M 4.9
Chikuma
Japan · 2026-04-18 04:20 UTC
|
71.7 km |
|
M 4.4
Toyama
Japan · 2026-04-12 23:54 UTC
|
37.3 km |
|
M 4.8
Himimachi
Japan · 2026-02-23 23:03 UTC
|
78.9 km |
|
M 5.1
Matsumoto
Japan · 2026-01-15 05:48 UTC
|
107.4 km |
|
M 4.7
Azumino
Japan · 2026-01-15 05:40 UTC
|
104.0 km |
|
M 4.4
Nanao
Japan · 2026-01-12 20:09 UTC
|
61.4 km |
|
M 4.5
Nanao
Japan · 2025-09-07 23:24 UTC
|
78.5 km |
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